The Reducer,pipe, cataloged under National Stock Number 4730-01-675-4618, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-675-4618 |
| Primary Part Number | 3/4X1/2FF-B |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.125 INCHES CENTER BULKHEAD IN |
| Nominal Overall Length | 1.96 INCHES IN |
| Style Designator | THREADED |
| Operating Pressure | 6.6 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.84 INCHES NOMINAL CENTER BULKHEAD IN |
| Nominal Thread Size | 0.75 INCHES FIRST END IN |
| Nominal Thread Size | 0.50 INCHES SECOND END IN |
| Thread Quantity Per Inch | 14 ALL ENDS |
| Thread Series Designator | NPTF ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3/4X1/2FF-B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
NSN 4730-01-675-4618 is a Reducer,pipe, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-675-4618 has 1 manufacturer part number on file: 3/4X1/2FF-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 3/4X1/2FF-B: Nominal Width Across Flats: 1.125 INCHES CENTER BULKHEAD IN; Nominal Overall Length: 1.96 INCHES IN; Style Designator: THREADED; Operating Pressure: 6.6 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.